.us_banner {
    position: relative;
    width: 100%;
    height: 490px;
    background-color: rgba(255, 255, 255, 0);
    background-image: linear-gradient(rgba(0, 0, 0, 0.48) 100%, rgba(255, 255, 255, 0) 100%), url(../css/img/banner_about.jpg);
    background-position: center center;
    background-repeat: no-repeat;
    background-size: 100%;

}

.us_banner_showTxt {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 60px;
    font-weight: 600;
    color: #fff;
}

.containnersss {
    width: 100%;
    background-color: #fff;
    margin: 70px 0 70px;

}

.custier_model {
    margin: 90px auto 120px !important;
}
.custier_model_title {
    width: 100%;
    height: 52px;
    margin-left: 20px;
}
.custier_model_items {
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    margin-top: 20px;
}
.custier_model_items a {
    width: 20%;
    height: 100px;
}
.dibus {
    background-color: #f9f9f9;
    border-top: 1px solid #ccc;
}

/* 文章详情样式 */
.contetnsfv {
    display: flex;
    /* margin-top: 40px; */
    margin: 70px auto 0 !important;
}
.contetnsfv_left {
    display: flex;
    justify-content: center;
    width: 50%;
}
.contetnsfv_right {
    width: 50%;
    font-family: "思源宋体";
    font-weight: 400;
    color: #2b3564;
}
.cun {
    margin:  30px 0 !important;
    /* background-color: #2b3564; */
    line-height: 30px;
}
.contetnsfv_left img {
    width: 426px;
    height: 226px;
    margin: 0 auto 0 !important;
}
.listss li {
    display: flex;
    align-items: flex-start;
    font-family: "思源宋体";
    font-weight: 400;
    color: #2b3564;
}
.listss li::before {
    display: inline-block;
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #2b3564;
    margin-right: 12px;
    margin-top: 14px;
}
.listss li span {
    max-width: 500px;
    line-height: 32px;
}
.toubao li {
    margin-bottom: 70px;
    line-height: 30px;
}
.jkdt {
    /* margin-bottom: 20px; */
    margin: 0 0 30px 13px;
}